R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 253
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/38/123822/r5f21238dfp_u0_sml.jpg)
R5F21238DFP#U0
Manufacturer Part Number
R5F21238DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21238DFP#U0
Core Size
16/32-Bit
Program Memory Size
64KB (64K x 8)
Peripherals
POR, Voltage Detect, WDT
Core Processor
R8C
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Number Of I /o
41
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
No. Of I/o's
41
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Embedded Interface Type
CAN, I2C, UART
Rohs Compliant
Yes
Cpu Family
R8C
Device Core Size
16b
Frequency (max)
20MHz
Interface Type
I2C/UART
Total Internal Ram Size
3KB
# I/os (max)
41
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
12-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 14.84
Table 14.30
BFC0, BFD0, BFC1, BFD1: Bits in TRDMR Register
TRDGRA0
TRDGRB0
TRDGRC0
TRDGRD0
TRDGRA1
TRDGRB1
TRDGRC1
TRDGRD1
TRDGRC0
TRDGRD0
TRDGRC1
TRDGRD1
Timer RD General Register Ai, Bi, Ci and Di (i = 0 or 1)
(b15)
b7
NOTE:
Register
1.
The following registers are disabled in the reset synchronous PWM mode:
TRDPMR, TRDOCR, TRDDF0, TRDDF1, TRDIORA0, TRDIORC0, TRDPOCR0, TRDIORA1, TRDIORC1
and TRDPOCR1
Access the TRDGRAi to TRDGRDi registers in 16-bit units. Do not access them in 8-bit units.
Registers TRDGRAi, TRDGRBi, TRDGRCi and TRDGRDi in Reset Synchronous PWM
Mode
TRDGRji Register Functions in Reset Synchronous PWM Mode
(b8)
b0
BFC0 = 0
−
−
BFD0 = 0
−
−
BFC1 = 0
BFD1 = 0
BFC0 = 1
BFD0 = 1
BFC1 = 1
BFD1 = 1
b7
Setting
Refer to Table 14.30 TRDGRji Register Functions in Reset Synchronous PWM Mode
Page 231 of 501
General register. Set the PWM period.
General register. Set the changing point of
PWM1 output.
(These registers are not used in reset
synchronous PWM mode.)
General register. Set the changing point of
PWM2 output.
General register. Set the changing point of
PWM3 output.
(These points are not used in reset
synchronous PWM mode.)
Buffer register. Set the next PWM period.
(Refer to 14.3.2 Buffer Operation)
Buffer register. Set the changing point of the
next PWM1 output.
(Refer to 14.3.2 Buffer Operation)
Buffer register. Set the changing point of the
next PWM2 output.
(Refer to 14.3.2 Buffer Operation)
Buffer register. Set the changing point of the
next PWM3 output.
(Refer to 14.3.2 Buffer Operation)
b0
TRDGRA0
TRDGRA1
TRDGRB0
TRDGRC0
TRDGRD0
TRDGRB1
TRDGRC1
TRDGRD1
Symbol
Register Function
(1)
Function
014Bh-014Ah
015Bh-015Ah
014Dh-014Ch
015Dh-015Ch
0149h-0148h
014Fh-014Eh
0159h-0158h
015Fh-015Eh
Address
(Output inverted every
period of TRDIOC0 and
PWM pins)
TRDIOB0
TRDIOD0
−
TRDIOA1
TRDIOC1
TRDIOB1
TRDIOD1
−
(Output inverted every
period of TRDIOC0 and
PWM pins)
TRDIOB0
TRDIOD0
TRDIOA1
TRDIOC1
TRDIOB1
TRDIOD1
PWM Output Pin
After Reset
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
14. Timers
RW
RW
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